Correlation of waist circumference and waist-to-height ratio with maximal aerobic capacity in young adults

Himel Mondal, S. Mishra
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引用次数: 5

Abstract

Background: Central obesity or abdominal obesity doubles the risk of cardiovascular disease when compared to gynoid pattern of fat distribution. Maximal oxygen consumption (V.O2max) is an index of aerobic capacity and low level of V.O2maxis an established risk factor for cardiovascular diseases. Aim: This study aimed to evaluate the effect of central obesity on V.O2maxin young adults. Materials and Methods: A cross-sectional study with 133 apparently healthy subjects (male = 83, female = 50) in the age group of 17–25 years was carried out. Waist circumference (WC) was measured by fiberglass measuring tape to nearest 0.1 cm. V.O2maxwas measured by submaximal treadmill exercise test by first two stages of Bruce protocol. Data were analyzed using unpaired t-test and Pearson correlation according to necessity. Results: Male subjects (n = 83) had statistically significant (P < 0.0001) higher V.O2max(mean ± standard deviation) (38.024 ± 6.243) than the female subjects (n = 50) (33.611 ± 3.470). WC showed negative correlation with V.O2max(r = −0.629, P < 0.0001). Waist-to-height ratio (WHtR) showed more negative correlation (r = −0.728, P < 0.0001) with V.O2max. Conclusions: Male has more aerobic capacity than female. Increase in WC and WHtR are associated with decreases in V.O2max. When compared to WC, WHtR is better predictor variable for V.O2max.
年轻人腰围、腰高比与最大有氧能力的相关性
背景:中心性肥胖或腹部肥胖与女性型脂肪分布相比,患心血管疾病的风险增加一倍。最大耗氧量(V.O2max)是有氧能力的指标,低水平的V.O2max是心血管疾病的确定危险因素。目的:探讨中心性肥胖对青壮年v2maxin的影响。材料与方法:采用横断面研究方法,选取17 ~ 25岁年龄层表面健康者133例(男83例,女50例)。腰围(WC)用玻璃纤维卷尺测量至最接近0.1 cm。采用Bruce方案前两阶段的次极限跑步机运动试验测量vo2max。根据需要对数据进行非配对t检验和Pearson相关分析。结果:男性受试者(n = 83)的V.O2max(平均值±标准差)(38.024±6.243)高于女性受试者(n = 50)(33.611±3.470),差异有统计学意义(P < 0.0001)。WC与V.O2max呈负相关(r = - 0.629, P < 0.0001)。腰高比(WHtR)与V.O2max呈负相关(r = - 0.728, P < 0.0001)。结论:男性的有氧能力高于女性。WC和WHtR的增加与vo2max的降低相关。与WC相比,WHtR是V.O2max更好的预测变量。
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